Add 28/72 and 56/18
1st number: 28/72, 2nd number: 3 2/18
28/72 + 56/18 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
28/72 = 28 × 1/72 × 1 = 28/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
56/18 = 56 × 4/18 × 4 = 224/72 - Add the two like fractions:
28/72 + 224/72 = 28 + 224/72 = 252/72 - 252/72 simplified gives 7/2
- So, 28/72 + 56/18 = 7/2
In mixed form: 31/2
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